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Cheap flights from San Antonio (SAT) to Seattle (BFI)

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How to find the cheapest flight from San Antonio (SAT) to Seattle (BFI)

How to find the cheapest flight from San Antonio (SAT) to Seattle (BFI)
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How to find the cheapest flight from San Antonio (SAT) to Seattle (BFI)
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How to find the cheapest flight from San Antonio (SAT) to Seattle (BFI)
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Cheap flights from San Antonio to Seattle in May , June 2026

25 May - 30 Jun $ 799.00
SAT
San Antonio
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SAT
San Antonio
Pick dates
20 May - 30 Jun $ 829.00
SAT
San Antonio
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SAT
San Antonio
Pick dates
27 May - 30 Jun $ 866.00
SAT
San Antonio
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SAT
San Antonio
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Last minute flights from San Antonio to Seattle

25 May - 01 Jun $ 915.00
SAT
San Antonio
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SAT
San Antonio
Pick dates
20 May - 01 Jun $ 945.00
SAT
San Antonio
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
SAT
San Antonio
Pick dates
25 May - 01 Jun $ 1,070.00
SAT
San Antonio
Sun Country Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Sun Country Airlines
2 STOPS
SAT
San Antonio
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One-way flights to Seattle from San Antonio

7:54 PM - 9:25 PM
Air Excursions
2 Stops
28h 21m
SAT - BFI
$ 397
Kiwi
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7:54 PM - 4:05 PM
Air Excursions
3 Stops
23h 1m
SAT - BFI
$ 427
Kiwi
Pick dates
8:59 PM - 4:05 PM
Air Excursions
2 Stops
21h 56m
SAT - BFI
$ 463
Kiwi
Pick dates

How to find the cheapest flight from San Antonio (SAT) to Seattle (BFI)

Related info for your journey
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How to find the cheapest flight from San Antonio (SAT) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from San Antonio (SAT) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.